Cognomen Friðbertsson (Friðbertsson 
) , in all the world, is an extremely rare family name. The last name Friðbertsson is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Friðbertsson | Iceland |
| njáll trausti friðbertsson Icelandic politician, IS (b. 1969) |
|